Science: The Russians Knew

For the past decade, there has been no "atom-bomb secret" which Russian
spies needed to steal. This fact has been asserted again & again by the
Atomic Energy Commission and backed up by responsible U.S. physicists.
The central "secret"that an atom bomb can be constructedhas long
been known to all the scientific world. Last week the AEC's files
yielded documentary proof: Russian scientific papers on the subject,
published in 1940, before the U.S. started its atom bomb project.

Nine years ago, the papers prove, Russian scientists were publicly
discussing whether Uranium 235 would explode violently. They decided
that it would if assembled...